FNUS75 KBOU 021740 FWSBOU SPOT FORECAST FOR RFB 16 18 20...USFS NATIONAL WEATHER SERVICE DENVER CO 1037 AM MST WED FEB 2 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SORRY FOR THE DELAY. HIGH PRESSURE ALOFT BUILDING INTO COLORADO FROM THE NORTH WITH A LIGHT NORTHEAST FLOW ALOFT. AIRMASS WILL REMAIN DRY AND STABLE TODAY. THERE WILL BE A CHANCE OF SNOW BY THURSDAY AFTERNOON. ANY ACCUMULATION WILL BE LIGHT AND UNDER AN INCH. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....3. MIN HUMIDITY........46%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 3-7 MPH. TRANSPORT WINDS.....NORTHWEST 4-8 MPH. MIXING HEIGHT.......1600-2600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. SLIGHT CHANCE OF SNOW AFTER 0500. MIN TEMPERATURE.....-9. MAX HUMIDITY........61%. 20-FOOT WINDS.......WEST WINDS 11-20 MPH WITH GUSTS TO 30 MPH. TRANSPORT WINDS.....WEST 8-16 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 LOW. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1100...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....31. MIN HUMIDITY........14%. 20-FOOT WINDS.......NORTH WINDS 13-19 MPH UNTIL 1200...THEN 6-12 MPH. TRANSPORT WINDS.....NORTHWEST 5-16 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN 2200-3200 FT AGL UNTIL 1700...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1300...THEN FAIR UNTIL 1500...THEN POOR. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS AROUND 20. HIGHS AROUND 40. NORTHWEST WINDS AROUND 12 MPH WITH GUSTS TO 25 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600... THEN CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 16 MPH WITH GUSTS TO 30 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO 20 MPH. FIRE WEATHER TABLE FOR RFB 16 18 20. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP TF RH 20FT G H L 10K MIXG TRAN VENTL AJTV VALID AT % % F % WIND S I A WIND HGT WIND RATE RATNG MPH T L MPH AGL MPH KT-FT 02/02-10 18 0 -14 50 N 3 1 1436 NW 3 5301 P 02/02-11 7 0 -8 49 N 3 3 2 1 N 2 2044 NW 5 7698 P 02/02-12 7 0 -4 48 NW 3 1 2630 NW 5 11600 P 02/02-13 7 0 0 46 W 3 1 3215 NW 6 15502 P 02/02-14 10 0 1 47 SW 3 3 2 1 E 9 3801 W 6 19405 P 02/02-15 10 0 1 52 SW 3 1 2884 W 6 15003 P 02/02-16 10 0 -1 57 SW 3 1 1968 NW 7 10602 P 02/02-17 36 0 -3 61 SW 3 3 2 1 NE33 1051 NW 7 6200 P 02/02-18 36 0 -4 61 SW 5 1 787 NW 7 4736 P 02/02-19 36 0 -5 58 W 7 1 523 W 8 3272 P 02/02-20 24 0 -6 54 W 8 14 4 1 NE53 258 W 8 1807 P 02/02-21 24 0 -6 51 W 10 1 220 W 9 1721 P 02/02-22 24 0 -6 47 W 12 1 182 W 10 1634 P 02/02-23 22 0 -5 44 W 13 21 4 1 NE62 145 W 13 1547 P 02/03-00 22 0 -5 41 W 14 1 129 W 13 1409 P 02/03-01 22 0 -5 38 W 14 1 113 W 13 1270 P 02/03-02 22 0 -4 36 NW 15 23 3 1 NE56 98 W 14 1131 P 02/03-03 22 0 -4 35 W 16 1 93 W 15 1158 P 02/03-04 22 0 -3 35 W 17 1 89 W 15 1185 P 02/03-05 51 10 -2 33 W 18 30 4 1 NE54 84 W 16 1211 P 02/03-06 51 10 -2 32 W 17 1 105 W 15 1259 P 02/03-07 51 10 -2 30 NW 16 1 125 NW 13 1307 P 02/03-08 51 10 1 26 NW 14 22 3 1 NE52 146 NW 10 1355 P 02/03-09 51 10 6 14 N 12 1 582 NW 9 3981 P 02/03-10 51 10 12 23 N 10 1 1012 NW 8 6570 P 02/03-11 70 10 17 24 N 8 13 2 1 N39 1442 NW 7 9159 P 02/03-12 70 10 22 31 N 7 1 2336 N 9 19914 P 02/03-13 70 10 31 25 N 5 1 3230 N 10 30669 P 02/03-14 70 10 31 26 N 5 5 2 1 N38 4125 N 12 41425 F 02/03-15 70 10 30 28 N 6 1 2880 N 9 28214 P 02/03-16 70 10 28 30 N 7 1 1635 NW 7 15003 P 02/03-17 75 10 23 38 N 8 13 2 1 N38 391 NW 6 1792 P 02/03-18 75 10 21 43 N 8 1 331 NW 6 1515 P 02/03-19 75 10 20 46 NW 7 1 272 NW 6 1239 P 02/03-20 75 10 19 51 NW 7 7 2 1 N36 212 W 6 963 P 02/03-21 75 10 18 54 NW 7 1 430 W 7 3136 P 02/03-22 75 10 17 57 NW 7 1 649 W 8 5310 P 02/03-23 56 5 26 39 NW 8 13 2 1 N33 867 W 10 7483 P 02/04-00 56 5 27 37 NW 9 1 791 W 10 7347 P 02/04-01 56 5 25 39 NW 10 1 714 W 12 7212 P 02/04-02 56 5 23 40 NW 12 18 2 1 N41 638 W 13 7076 P 02/04-03 56 5 25 36 NW 13 1 673 W 14 7941 P 02/04-04 56 5 25 35 NW 14 1 709 W 14 8807 P 02/04-05 56 5 25 36 NW 15 24 2 1 N51 744 W 15 9672 P 02/04-06 45 5 24 38 NW 15 1 663 W 14 8294 P 02/04-07 45 5 23 42 NW 14 1 583 W 14 6916 P 02/04-08 45 5 25 41 NW 13 21 2 1 N52 502 W 13 5538 P 02/04-09 45 5 34 32 NW 10 1 1500 W 14 18272 P 02/04-10 45 5 31 38 NW 9 1 2499 NW 14 31005 P 02/04-11 45 5 36 34 NW 8 13 2 1 N53 3497 NW 15 43739 F 02/04-12 45 5 34 38 NW 8 1 4309 NW 17 71353 G 02/04-13 45 5 40 33 W 9 1 5120 NW 21 98968 G 02/04-14 45 5 39 34 W 10 16 2 1 N51 5931 NW 24 126583 V 02/04-15 45 5 39 35 W 10 1 4621 NW 23 95104 G 02/04-16 45 5 37 39 W 12 1 3310 W 21 63625 G 02/04-17 66 15 32 50 W 12 18 2 1 NW49 2000 W 18 32146 P 02/04-18 66 15 30 54 W 13 1 1555 W 17 24480 P 02/04-19 66 15 29 56 W 14 1 1110 W 17 16814 P 02/04-20 66 15 28 58 W 15 24 3 1 NW48 666 W 16 9148 P 02/04-21 66 15 27 59 W 15 1 947 W 16 14012 P 02/04-22 66 15 26 60 W 15 1 1228 W 17 18875 P 02/04-23 60 15 31 49 W 15 24 3 1 NW47 1509 W 18 23739 P 02/05-00 60 15 31 49 W 16 1 1698 W 20 30012 P 02/05-01 60 15 30 52 W 16 1 1887 W 22 36284 P 02/05-02 60 15 29 55 W 17 28 3 1 NW54 2075 W 24 42557 F 02/05-03 60 15 30 54 W 18 1 2906 NW 28 75343 G 02/05-04 60 15 30 54 W 18 1 3737 NW 31 108129 V 02/05-05 60 22 30 55 W 18 30 3 1 NW61 4567 NW 36 140915 V KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION /PERCENT/ TF - TEMPERATURE /DEGREES F/ RH - RELATIVE HUMIDITY /PERCENT/ 20FT WIND - 20-FOOT WIND /MPH/ GST - 20-FOOT WIND GUST /MPH/ HI - HAINES INDEX LAL - LIGHTNING ACTIVITY LEVEL 10K WIND - 10000 FEET ABOVE GROUND LEVEL FREE-AIR WINDS /MPH/ MIXG HGT - MIXING HEIGHT /FEET ABOVE GROUND LEVEL/ TRAN WIND - TRANSPORT WINDS /MPH/ VENTL RATE - VENTILATION RATE /KNOT-FEET/ AJTV RATNG - SMOKE DISPERSION ADJECTIVE RATING P - POOR F - FAIR G - GOOD V - VERY GOOD E - EXCELLENT $$ FORECASTER...WFO BOULDER/SWE REQUESTED BY...PAT OWENS REASON FOR REQUEST...PRESCRIBED .TAG 20110202.RFB16.02/BOU